Home / 977,762,003.20-1,466,902,820.40-424,827,167.20

Finding the Fourth Proportional to 977,762,003.20, 1,466,902,820.40 and 424,827,167.20

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Solution

The fourth proportional to 977,762,003.20, 1,466,902,820.40 and 424,827,167.20 is: 637,353,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,762,003.20 : 1,466,902,820.40 = 424,827,167.20 : x
  2. Step 2: Convert to fraction form
    977,762,003.20/1,466,902,820.40 = 424,827,167.20/x
  3. Step 3: Cross multiply
    977,762,003.20x = 1,466,902,820.40 × 424,827,167.20
  4. Step 4: Simplify right side
    977,762,003.20x = 623,180,169,748,222,336
  5. Step 5: Solve for x
    x = 623,180,169,748,222,336/977,762,003.20
  6. Step 6: Final answer
    x = 637,353,637.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.